Looks like you're almost done! As a final step, please run the following commands from the terminal:
sudo systemctl start libretime-analyzer sudo systemctl start libretime-api sudo systemctl start libretime-celery sudo systemctl start libretime-liquidsoap sudo systemctl start libretime-playout
If you need to re-run the web installer, just remove /etc/airtime/airtime.conf.
/etc/airtime/airtime.conf